"I had a hard time disassociating the animals I cuddled with -- dogs and cats, for example -- from the animals on my plate, and I never really cared for the taste of meat," said Bell, who went vegetarian in high school and is now a vegan. "I always loved my Brussels sprouts!"

Bell also convinced Shepard, who first became a vegetarian in 2012 after watching the documentary "Forks Over Knives," to follow suit.

"I have fewer body aches," he said. "My skin looks better. I'm never starving, and I never need to ride the couch feeling completely full and disgusting."

The couple, who are also gay rights allies, became re-engaged after the Supreme Court struck down the Defense of Marriage Act Wednesday and welcomed daughter Lincoln three months ago.

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